{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117649",
    "entityType": "User",
    "nonce": "0x15db0fdf02386a18dd82cf3a4b306278b5da3fb601329a99d0890e9b971697eb",
    "signature": "0xcf66b70c126e8ae895ae023d1e9f5f0396f1b903e7cab68a2ea826afaa9d4be07448a4c7085996318f94f6b6044f5b28fb5ceaa733b2a90cd81cae892c91f8881c",
    "signer": "0x6948e0418Ce2eE9cD054e9d4Bc50614964F459Ac",
    "userId": "415252957"
  }
}